Cosmología y Astrofísica Teórica

Researchers

Profesores:
Gonzalo Palma
Mario Riquelme
Domenico Sapone
Nelson Zamorano

Postdocs:
Pablo Gonzalez
Sander Mooij
Nelson Videla
Spyros Sypsas

Estudiantes de Doctorado:
Rafael Bravo

Estudiantes de Magister:
Mario Aguilar
Bastian Pradenas
Walter Riquelme
Bryan Sagredo

Research Lines

Algunas de las áreas estudiadas por miembros de nuestro grupo:

  • Agujeros negros
  • Dimensiones extras
  • Física del CMB
  • Inflación cósmica
  • Materia y energía oscura
  • Plasmas astrofísicos
  • Supergravedad

Publications

Publicaciones Recientes:

Effective field theory of weakly coupled inflationary models
R. Gwyn, G. A. Palma, M. Sakellariadou and S. Sypsas
arXiv:1210.3020 [hep-th]

Heavy fields, reduced speeds of sound and decoupling during inflation
A. Achúcarro, V. Atal, S. Céspedes, J.-O. Gong, S. Hardeman, G. A. Palma and S. P. Patil
arXiv:1205.0710 [hep-th]

Effective theory of single field inflation when heavy fields matter
A. Achúcarro, J.-O. Gong, S. Hardeman, G. A. Palma and S. P. Patil
JHEP 05, 066 (2012)
arXiv:1201.6342 [hep-th]

On the importance of heavy fields during inflation
S. Céspedes, V. Atal and G. A. Palma
JCAP 05, 008 (2012)
arXiv:1201.4848 [hep-th]

Analoge black hole in magnetohydrodynamics
F. A. Asenjo and N. Zamorano
arXiv:1102.2625 [gr-qc]

The everpresent eta-problem: knowledge of all hidden sectors required
S. Hardeman, J. Oberreuter, G. A. Palma, K. Schalm and T. van der Aalst
JHEP 04, 009 (2011)
arXiv:1012.5966 [hep-ph]

Features of heavy physics in the CMB power spectrum
A. Achúcarro, J.-O. Gong, S. Hardeman, G. A. Palma and S. P. Patil
JCAP 1101, 030 (2011)
arXiv:1010.3693 [hep-ph]

Mass hierarchies and non-decoupling in multi-scalar field dynamics
A. Achúcarro, J.-O. Gong, S. Hardeman, G. A. Palma and S. P. Patil
PRD 84, 043502 (2011)
arXiv:1005.3848 [hep-th]

Kerr-Schild method and geodesic structure in co-dimension-2 brane black holes
B. Cuadros-Melgar, S. Aguilar and N. Zamorano
PRD 81, 126010 (2010)
arXiv:0912.0218 [hep-th]

UV/IR mode mixing and the CMB
G. A. Palma and S. P. Patil
PRD 80, 083010 (2009)
arXiv:0906.4727 [hep-th]

Constructing de Sitter vacua in no-scale string models without uplifting
L. Covi, M. Gomez-Reino, C. Gross, G. A. Palma and C. A. Scrucca
JHEP 0903, 146 (2009)
arXiv:0812.3864 [hep-th]

Inflation with a stringy minimal length, reworked
G. A. Palma and S. P. Patil
JHEP 0904, 005 (2009)
arXiv:0810.5532 [hep-th]

Constraints on modular inflation in supergravity and string theory
L. Covi, M. Gomez-Reino, C. Gross, J. Louis, G. A. Palma and C. A. Scrucca
JHEP 0808, 055 (2008)
arXiv:0805.3290 [hep-th]

de Sitter vacua in no-scale supergravities and Calabi-Yau string models
L. Covi, M. Gomez-Reino, C. Gross, J. Louis, G. A. Palma and C. A. Scrucca
JHEP 0806, 057 (2008)
arXiv:0804.1073 [hep-th]

Actividades:

CosmoPizza
Nos juntamos cada dos semanas a comer pizzas discutiendo sobre cosmología y astrofísica. Ingresa al siguiente enlace para mantenerte informado: http://cosmopizza-uchile-unab.blogspot.com

Club de lectura
Nos juntamos cada dos semanas a leer y discutir artículos recientes disponibles en el arXiv.

Gonzalo Palma 3

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